
( Brand: Siemens ), ( Part Type: Contactor ), ( Model Number: 3th4391-0ag2 ), ( Item Electric: 50/60hz, 110vac ), ( Additional Information: New Open Box )
Review SIEMENS Contactor Relay
The Siemens 3TRP3-2/3TH-4391-0AG2 Contactors and Relays is a versatile and robust solution for controlling electrical circuits in various industrial applications. This specific model, 07211210507, is a part of Siemens' 3TRP3-2/3TH series, which is known for its reliability and ease of use.
The contactor part of this device is a 3-pole, 4-throw, normally open (NO) and normally closed (NC) mechanism. It is designed to handle currents up to 16 A at a voltage of 230 V AC. The contactor is equipped with a coil that can be energized to close the contacts, allowing electrical current to flow through the controlled circuit. The contacts are made of silver alloy, ensuring long-lasting performance and low contact resistance.
The relay part of the device is a 2-form-A, SPST (Single Pole, Single Throw) unit. It is designed to handle the same voltage and current as the contactor. The relay is used to monitor and respond to electrical signals, allowing for the automatic control of the contactor.
The 3TRP3-2/3TH-4391-0AG2 Contactors and Relays feature a number of advantages over other similar devices on the market. They offer high contact stability, even in harsh environmental conditions, and have a low contact bounce time, ensuring smooth and reliable switching. The devices are also easy to install, with clear and intuitive wiring diagrams provided in the documentation.
The contactor and relay are housed in a robust and compact enclosure, which protects them from dust, water, and other environmental hazards. The device is also designed to be easy to maintain, with accessible terminals and a clear labeling system.
In summary, the Siemens 3TRP3-2/3TH-4391-0AG2 Contactors and Relays is a high-performance and reliable solution for controlling electrical circuits in industrial applications. Its 3-pole contactor and 2-form-A relay offer versatility and ease of use, while its robust design and long-lasting components ensure reliable operation even in harsh environments.
The Siemens 3TH4391-0AG2 contactor relay 07211210507 is a commonly used electrical component in industrial automation systems. Here are some pros and cons of buying this contactor relay:
Pros:1. High Quality: Siemens is a reputed brand known for its high-quality electrical components. This contactor relay is built to last and offers reliable performance.
2. Versatile: This contactor relay is suitable for a wide range of applications due to its different rating options. It can handle currents up to 30A and voltages up to 250V AC.
3. Easy to Install: The contactor relay comes with clear markings and a user-friendly design, making it easy to install and commission.
4. Safety Features: This contactor relay comes with built-in safety features such as overload protection and short circuit protection, ensuring the safety of the system and the operators.
Cons:1. Cost: Compared to other contactor relays in the market, the Siemens 3TH4391-0AG2 contactor relay can be expensive.
2. Complexity: This contactor relay may be more complex than some other options in the market, requiring more technical knowledge to operate and maintain.
3. Size: The size of the contactor relay may be larger than some other options, requiring more space in the control cabinet.
Conclusion:The Siemens 3TH4391-0AG2 contactor relay 07211210507 is a high-quality and reliable electrical component suitable for various industrial applications. Its versatility, ease of installation, and safety features make it a popular choice among industrial automation professionals. However, its high cost, complexity, and size may be disadvantages for some users.
Recommendation:If you require a high-quality and reliable contactor relay for industrial automation applications, the Siemens 3TH4391-0AG2 contactor relay 07211210507 is a good option to consider. Its versatility, safety features, and ease of installation make it worth the investment, despite its higher cost and complexity compared to other options in the market. However, if you are looking for a more cost-effective or simpler solution, you may want to consider other options in the market.
part # 3th43910ag2 price
- $749.95
specifications cncmano:
- brand: Siemens
- part type: Contactor
- model number: 3th4391-0ag2
- item electric: 50/60hz, 110vac
- additional information: New Open Box
payments cncmano:
- other
- wallet: Google-pay
- credit card: Discover
offer cncmano:
- availability: In Stock
- started: June 11, 2025
- quantity: 3
- best offers: True
- options: Ship-to-home
- sold: 0
seller cncmano:
- # reviews: 64391
- rating: 97.7%
returns cncmano:
- method: Money back
- time: 30 Days
- policy: Returns Accepted
- paid by: Buyer
general cncmano:
- condition: New Open box
- Business Industrial > CNC, Metalworking Manufacturing > Other CNC, Metalworking Manufacturing
shipping cncmano:
- cost: $27.61
- carrier: FedEx
- type: Calculated
- class: Standard
- transit: 4-11 Days
- service: FedEx Ground or FedEx Home Delivery
Siemens 3TH4391-0AG2 Is Similar To:
- Siemens 3rt2015-2bb41 Contactor 24v (55.4% similar) $19.99–$138.00. (December 19th, 2024)
- Siemens 3ru1136-4fb0 Overload Relay (38.6% similar) $110.00–$125.00. (December 19th, 2024)
- Siemens 3tk2827-1bb40 New Safety Relay (46.5% similar) $160.26–$397.85. (December 26th, 2024)
- Siemens 3rt1016-1ap01 New And Original Contactor 3-pole 230vac 1 No (50.4% similar) $51.91–$65.00. (February 25th, 2025)
- Siemens 3rf2450-1ac45 New Contactor (48.2% similar) $249.93–$508.24. (May 11th, 2025)
- Siemens 3rh1921-1ha31 1pc New For Contactor Auxiliary Contact (53.2% similar) $80.00–$184.00. (May 27th, 2025)
- Siemens 3th4271-0bb4 Contactor Relay 07211210506 (87.5% similar) $360.00–$477.00. (June 11th, 2025)
- Siemens 3tf5222-0xm0 New Contactor (53.7% similar) $186.08–$276.87. (June 24th, 2025)
- Siemens 3rt1034-1bb40 New 3rt1 034-1bb40 Contactor (44.9% similar) $138.98–$232.12. (September 3rd, 2025)
- Siemens 3rt1025-1kb40 Contactor Motor Control (53.8% similar) $74.99–$460.59. (October 17th, 2025)
